HP dv7-6c20us Technical Information download pdf (Page 104)

3. Lift the modem module (3) straight up to disconnect it from the system board.

Reverse this procedure to install the modem module.

System board

NOTE: All system board spare part kits include replacement thermal material.

Description Spare part number

System board with RX781 Northbridge and ATI HD3450 graphics subsystem with discrete memory

for use only with computer models equipped with AMD processors

486541-001

System board with M780G Northbridge and UMA graphics subsystem memory for use only with

computer models equipped with AMD processors

486542-001

System board with PM45 Northbridge and nVidia NB9M-GE discrete graphics subsystem memory

and 256-GB of graphics subsystem memory for use only with computer models equipped with

Intel processors

480366-001

System board with PM45 Northbridge and nVidia NB9P-GS discrete graphics subsystem memory

and 512-GB of graphics subsystem memory for use only with computer models equipped with

Intel processors

480365-001

Before removing the USB board, follow these steps:

1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the

computer on, and then shut it down through the operating system.

2. Disconnect all external devices connected to the computer.

3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and

then unplugging the AC Adapter from the computer.

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HP dv7-6c20us Technical Information Page 104